html {
  font-size: 16px;
  font-family: Arial, Helvetica, sans-serif;
  width: 100%;
  height: 100%;
  margin: 0;  
  padding: 0;
  border-style: none;
  border-width: 0;
}

body {
  overflow: hidden;
  width: 100%;
  height: 100%;
  margin: 0;  
  padding: 0;
  border-style: none;
  border-width: 0;
  background-color: #ffffff;
  background-image: url(qs_bkg.png);
}

div#main_wnd {
  display: flex;
  overflow: hidden;
  flex-flow: row nowrap;
  justify-content: flex-start;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border-style: none;
  border-width: 0;
}

div#left_bar {
  display: flex;
  overflow: hidden;
  flex-flow: column nowrap;
  justify-content: flex-start;  
  align-items: center;    
  font-size: 12px;
  background-color: transparent;
  height: 100%;
  flex: 0 0 280px;
  margin: 0;
  padding: 0px;
  border-style: none;
  border-width: 0;
}
      
div#qmd_menu {
  display: flex;
  overflow: auto;
  flex-flow: column nowrap;
  justify-content: flex-start;  
  align-items: center;    
  font-size: 14px;
  background-color: transparent;
  flex: 0 1 130px;
  width: 100%;
  margin: 0;
  padding: 0;
  border-style: none;
  border-width: 0;
}

button.qmdmenu_btn {
  margin: 5px 4px 5px 4px;
  padding: 4;
  flex: 0 0 28px;
  width: 96%;
  background-color: lightblue;  
  cursor: pointer;
  text-align: center;  
  border-style: none;
  border-width: 0;
}

button.qmdmenu_btn_selected {
  margin: 5px 4px 5px 4px;
  padding: 4;
  flex: 0 0 28px;
  width: 96%;
  background-color: #32b4e6;
  cursor: pointer;
  text-align: center;  
  border-style: none;
  border-width: 0;
}

div#work_wnd {
  display: flex;
  overflow: hidden;
  flex-flow: column nowrap;
  justify-content: flex-start;  
  align-items: center;    
  margin: 0;
  padding: 0;
  height: 100%;
  flex: 1 1 100%;  
  background-color: transparent;
  border-style: none;
  border-width: 0;
}

div.menu_subtitle {
  display: block;
  margin: 0;
  height: 30px;
  line-height: 30px;
  width: 96%;
  font-size: 16px;
  font-weight: bold;
  text-align: center;  
  padding: 0px 0px 0px 6px;
  background-color: transparent;
  border-style: none;
  border-width: 0;
}

div#pic_wnd {
  display: block;
  overflow: hidden;
  margin: 0;
  padding: 0;
  width: 100%;
  flex: 1 1 100%;  
  background-color: transparent;
  border-style: none;
  border-width: 0;
}

div.footer_bar {
  display: block;
  width: 100%;
  flex: 0 0 30px;  
  line-height: 30px;
  margin: 0;
  padding: 0px 0px 0px 6px;
  font-size: 12px;
  text-align: center;    
  background-color: #f6f7ff;
  border-style: none;
  border-width: 1px;
}

div#text_wnd {
  display: block;
  width: 100%;
  flex: 0 0 10%;  
  margin: 0px;
  padding: 8px 8px 8px 8px;
  font-size: 14px;
  background-color: #f6f7ff;
  border-style: none;
  border-width: 0px;
}

div.spacer_10 {
  display: block;
  margin: 0;
  padding: 0;
  height: 10px;
  background-color: transparent;
  border-style: none;
  border-width: 0;
}

div#prs_menu {
  display: flex;
  overflow: auto;
  flex-flow: column nowrap;
  justify-content: flex-start;  
  align-items: center;    
  font-size: 12px;
  background-color:transparent;
  flex: 1 1 50%;
  width: 100%;
  margin: 0;
  padding: 0;
  border-style: none;
  border-width: 0;
}

div.prs_row {
  display: flex;
  overflow: hidden;
  flex-flow: row nowrap;
  justify-content: center; 
  align-items: center; 
  font-size: 12px;
  background-color: lightblue;
  flex: 0 0 30px;
  width: 96%;
  margin: 2px;
  padding: 0;
  border-style: none;
  border-width: 0;
}

div.prs_val {
  display: block;
  margin: 0;
  padding: 0;
  height: 30px;
  flex: 1 1 50%;
  text-align: center;
  line-height: 30px;
  background-color: lightblue;  
  border-style: none;
  border-width: 4px;
}

input.prs_btn {
  border-width: 2px;
  border-style: solid;  
  border-radius: 5px;
  border-color: #73bcd5;
  font-size: 16px;
  font-weight: bold;
  padding:0;
  margin: 1px;
  width: 26px;
  height: 26px;
  color: black;
  background-color: lightblue;
  cursor: pointer;
}

input.prs_btn:disabled {
  cursor: default;
  opacity: 0.1;
}

input.prs_btn:hover:disabled {
  cursor: default;
  opacity: 0.1;
}

input.prs_btn:hover:enabled {
  border-color: #cccccc;
  border-style: outset;
}

div.error_wnd {
  display: block;
  margin: 0;
  padding: 10px;
  height: 100%;
  width: 100%;
  font-size: 16px;
  text-align: left;  
  background-color: #ffffff;
  background-image: url(qs_bkg.png);
  border-style: none;
  border-width: 20px;
}